Shingle-sawing machine



(No Model.) 5 Sheets-Sheet 1. J. B. PUTROW.

SHINGLE SAWING MACHINE. No. 423,953. Patented Mar. 25, 1890.

5 Sheets-Sheet. 2;

(No Model.)

J. B. PUTROW. SHINGLE SAWING MACHINE.

Patentd Mar. 25, 1890.

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J. B. PUTROW. SHINGLB SAWING MACHINE.

Patented Mar. 25, 1890.

lmi tweoa 5 Sheets-Sheet 4.

(No Model.)

J. BIPUTROW. SHINGLE SAWING MACHINE.

Patented Mar. 25, 1890.

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5 Sheets-Sheet 5. J. B. PUTROW. SHINGLB SAWING MAOHINE.

Patented Mar. 25, 1890.

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UNITED STATES PATENT OFFICE.

JOHN B. PUTROW, OF WVESTBOROUGH, ASSIGNOR TO V. B. JOHNS, OF ANTIGO,

WISCONSIN.

SHINGLE-SAWING MACHINE.

SPECIFICATION forming part of Letters Patent No. 423,953, dated March 25, 1890. Application fi e September 20, 1887- R'ene wed January 4:, 1390- Serial No. 335,923. (No model.)

To all whom it may concern.-

Be it known that I, JOHN B. PUTROW, a citizen of the United States, residing at Westborough, in the county of Taylor and State of Wisconsin, have invented a new and useful Improvement in Shin gle-Sawin g Machines, of which the following is a specification.

My invention relates to an improvement in shingle-sawing machines; and it consists in the construction and arrangement of the parts thereof, which will be more fully hereinafter described, and particularly pointed out in the claims.

In the accompanying drawings, wherein like-letters and figures of reference indicate.

similar parts in --the several views, Figure 1 is a perspective View of my improved form of machine. Fig. 2 is a side elevation. Fig. 3 is a rear elevation. Fig.4 is a top plan view. Fig. 5 is alongitudinal vertical section on the line cc 0c of Fig. 4. Fig. 6 is a transverse vertical section on the line y 3/ of Fig. 5, looking in the direction of the arrow. Fig; 7 is a horizontal sectional view on the line .2 z of Fig. 3. Fig. 8 is a detail perspective view of the saw-arbor and various connections. Fig. 9 is a vertical sectional view 'on the line 10 w of Fig. 2. Figs. 10, 11, 12, and 13 are detail views of portions of the construction.

A A indicate the base-strips, which are formed with grooves or channels ad, in which the flanges b b on the lower portions of the sides B B of the main supporting-frame have movement. The base-strips are united by cross-strips A A and the sides B B by front upper and lower cross-beams B B and rear upper and lower cross beams B B In suitable j ournal-boxes c o, secured on the top portions of the base-strips A A, a transverse shaft S is mounted, on which cog-wheels s s are keyed and engage with rack-surfaces b 1), formed with the upper edge of the lower longitudinal beams B5 of the sides B. On one end of the said shaft S, on the outside of one of the boxes 0, a pinion s is mounted, which is adapted to be engaged by one end of a double pawl 5 pivotally connected to the side of a hand-lever 8 which is mounted on a shaft S inside and adjacent to the wheel or pinion 3. Upon the outer side of the base-strip A, in engaging proximity to the pinion s, a locking-pawl s is mounted, which is adapted to lock the said pinion .9 against movement. By means of this construction the whole frame, comprising the sides B B moved to the rear or front, and the belt operating the machine thereby tightened or loosened, as may be desired, and if the belt should break and be shortened by splicing the machine can be readily accommodated to the decrease in the length of the belt withoutnecessitating the substitution of a new belt.

The rear cross-beams B and B uniting the side frames B B, are adapted to support the saw-arbor and its adjustable boXes. The lower beam B is constructed with a central cup or socket B and the upper beam B with two inwardly-projecting angle-lugs 12 19 The saw-arbor frame 0 is constructed, essentially, in the form shown, having the lower enlargement 0 formed with a diamond-shaped socket 0 adapted to receive a sectional adjustable diamond-shaped box 0 which surrounds the lower end of avertically-mounted shaft S, and held in adjustment therewith by four set-screws s .9 passing through the lower enlargement o of the frame 0, each one of said set-screws engaging with the plain faces of the said sectional box 0 The lower portion of the frame 0 is extended to give unimpeded play to the single lower flange C of the belt-pulley C, which is mounted on the shaft S. The upper end of the frame 0 is formed with an integral half-box c, which rests in and is adj ustably held between the angle-lugs b of the upper beam B by setscrews 8, arranged'on each side thereof. The upper end of the shaft S is formed with an integral saw-disk S to which the circular saw S is secured in a horizontal position by machine-screws.

The lower enlargement c of the frame 0 is mounted and held in the socket B of the beam B" by two set-screws .3 having set-collars 3 Through the medium of these latter screws the frame 0, and consequently the saw S can be adjusted slightly when for any desirable purpose it becomes necessary. When the shaft S and frame 0 have thus been mounted, a half-box c is screwed to the half-box. c in the upper part of the frame C,

and their connecting cross-beams, can be and the said parts secured in operative position.

On the top portion of the side frames B B hollow side saw-guards D D are mounted, which slightly widen or diverge from the front toward the rear of the machine. The saw has freedom of play within these guards, and injury to the operators is thereby prevented. The guard D is constructed wider than the guard D and forms a sawdust spout. The edge of the guard D is open and provided with a hinged arm D which closes over the said opening. The said arm is hinged at the point (1 in the forward part of the machine and adapted to be retained in a permanent closed position by a screw 3 passing through extensions (1, formed with the rear of said arm, and into the guard D. Said arm D enables access to be readily had to the interior of the guard D, acting as a dust-spout, and enables the same to be readily cleared or relieved from any choking or packing that may occur. Hinged to the rear of the guards D and D is a rear guard D which fits over the rear of the saw and is adapted to be raised therefrom when desiredf Integrally formed with one side of the rear guard D adjacent to the guard D, is an extended spout D", which registers with the opening in the guard D when lowered, and when raised through its hinged connection, as shown, the sawdust which may clog in the spouts can be readily removed.

On the inner top portion of the guards D and D the earriage-guideways E E are bolted, and consist of angle irons having outer grooved faces. The carriage F consists of a reetangularly-shaped open frame having slots f formed in the outer ends of the transverse bars F thereof, and adjacent to said slots f the longitudinal end connecting-bars F are integrally formed with the said transverse bars F and carry rollers f on their inner faces, which engage with the lower portion of the recesses of the angle-irons or guideways E. Over the top inner edges of the bars F smaller frictional rollers f are mounted in angle-irons f fitted over the top aiid outer faces of the bars F and resting in recesses formed therein. The lower inner portions of the transverse bars F are formed with flanges 1 1, which are engaged by grooved extensions 2 2, integrally formed with the adjustable dogs F mounted parallel with the end bars F but adjustable in a plane parallel with the transverse bars F. Running parallel with the end bars F and adjacent thereto, and having bearing in the transverse bars F, are two small rock-shafts 3 3, having upward projections -1 4: near each end thereof, which are in pivotal connection with link-rods or pitmen 5 5, said rods or pitmen 5 being secured at their opposite ends in slots formed in the dogs F The outer ends of the rockshafts 3 are provided with handles 6 and 7. The outer end of the one rock-shaft 3 is formed with a loop 8 in its end, in which one 'ment thereof.

end of the vertical portion 9 of the handle 7 is secured. Over the end of this rock-shaft a bracket 10, having a top angular projection 11, is mounted, the end of the said shaft passing through an elongated slot 12, formed in said bracket, and allowing a vertical move- The vertical portion 9 of the handle 7 is encircled by a coiled spring 13, which bears against the loop 8 at its lower end and the angular projection 11 of the bracket 10 at its upper end. The lower end of the said bracket 10 is provided with a stud or pin 14, (see Fig. 10,) projecting from the inner face thereof, adapted to engage with slots 16, cut in the lower edges of the transverse bar F, adjacent thereto, and pivotally secured in connection with the under side of the handle 7 is a lever 15, having a bifurcated or forked end 17, which encircles the handle 7 and bears on the top portion of the extension 11 of the bracket 10, and is adapted to force the said bracket downward to disengage the pin 14 from the slots 16 in adjusting the dog in connection with the rock-shaft with which the mechanism just described is connected. The bracket 10 is also capable of a swinging movement through its slotted connection with the end of the rock-shaft, and the stud or pin 14 thus caused to engage with the slots 16 at some distance away from the line of position of the rockshaft in tightening the adjustment of the dog F in connection therewith.

Secured to the rear transverse bar of the carriage are two bracket journal-boxes 18, in which is journaled a shaft 19, having angular end projections 20. The one angular end projection 20 is formed with an operatinghandle 21, and to each of said projections links 22 are secured. The other ends of said links are connected to a transversely-arranged frame F, having grooves formed in its extending ends, which rest upon the rock-shafts 3 and have longitudinal movement thereon. The central portion of this frame F slightly depends and has a slot 24 cut therethrough, in which a wooden strip 25 is driven, projecting below the lower edge, and thereby prevents the saw from striking the metal of the said frame. This frame is adapted to aid in the feed and retention of theblock from which the shingles are formed. The dogs F are also provided with slots 27, in which pieces of wood are driven for a similar purpose as in the frame F. The front transverse bar has saw-guards 26 mounted in connection therewith, which are curved and have inner slotted ends, in which strips of wood are also mounted for a purpose similar to those mounted in the dogs F and frame F 011 the forward portion of the machine, in cross-beams B and B a tilting table G and its connections are mounted. This device consists, essentially, of the tilting table G, constructed with two longitudinal grooved arms 9 g, longitudinally adjustable on the plate 9, which connects the two arms. An upright ITO G is provided, which isconstructed hollow and supported by the bars B B The upper portion of the upright G is constructed cylindrical and passes through a square opening b in the upper cross-beam B, having lugs 71 on its transverse sides. A sectional boxing 28 28, having grooves 29 in each of its parts, is fitted in the opening 19 and around the upper cylindrical portion of the upright G, being adjustable in and held in a fixed position in said opening by set screws 5 passin g through lugs b integrally formed with the top portion of the beam B. The lower portion of the upright G is constructed of a nearly-rectangular configuration, the extreme lower end being formed with projecting open ends 31, in which a lever G is fulcrumed. The one end of the lever G is pivotally siecured in the hollow lower beam B by a screw 8 passing throughsaid beam and amend of the lever; Theopposite end of the said lever G2 is 'connectedto the lower end of "a'lifting rod or bar G which passes? up vertically through both beams B and 13. and is secured at its upper'end to thecrank 32 of an operating hand-lever 33, having a springractuated. stop-arm3et pivotallysecured in connection therewith. The hand-lever 33 has a slot 35 therein, through which a fiat arm 36 passes,

which has a notch or'notches 37 formed therein.

This arm 36 is mounted in projections 38 and 39, secured tothe top portion of one of the sides 'B.' The projection 38 is stationarily mounted and the projection 39 pivotally mounted, so as to have a yielding movement.

The one end of the arm 36 is pivoted in the proj ec'tion39, and theop'posite screw-threaded portion 40 passes through and has movement in an opening in the projection 38. An erdinary nut 41 is placed on the screw-threaded portion 40 of the arm 36 on one side of the projection 38, and a clamping or winged nut 42 is placed thereon on the opposite side of the projection 38. By this construction the tilting table can be raised or lowered in a vertical plane, the extent of ad j ustment'being regulable by the adj ustable arm 36 in connection with the hand-lever 33 The top porti'onof the standard or upright G has a yoke G secured thereto by means of a screw 3 said yoke G ha v ing right-angular lugs 43, in and between which asmaller yoke G is adj ustably held by set-screws 5 passing through the lugs 43 and engaging with a cylindricalflportion g of the yoke G The upper portion of the yoke G is formed with angular upwardly-projecting lugsaat, in and between which a slightly-enlarged depending portion'of the plate g is pivoted. The yoke G is also formed with an integral projection 9 having an aperture in its outer end, through which a screw 3 depending from the one outer end of the plate passes, having a nut 4 5 in engagement therewith on each side of the end of the extension g. By means of this extension the tilting table is steadied in its movement. To the lowercentral portion the lower surface thereof. 58 is also provided with a projection 66,

aperture formed in thetop portion of thev block 49, andthe roller 50 in the lower end of said block plays transversely in a groove 51,

formed in the top surface of a tilting block 52,

pivotally mounted in the lower portion of the upright or standard G, and having the end of a draw-rod 53 connectedto its lower portion, the opposite end of said draw-rod 53 being secured to one end of a connecting-link 54, which projects through the lower crossbar B and is secured at its opposite end to the lower portion of a vertical rod 55, which is stepped in lug 56 on the said beam and projects upward and passes throughalug57, formed with the upper portion of the side framezB. A handle 58 is secured to the upper part of this rod 55 adjacent, and conveniently situated to the operator, and by. which the table G may be tilted to give the proper angle of out. The block 49 is limited inits movement toward either side of ,the upright upright and extending into the hollow portion thereof, and adjustable from'the outside, and held in adjustment by the set-nuts '8 In addition to the tilting mechanism just described, the upright entire may be fixedly' adjusted toward either side of the machine by moving the sectionalboxes mounted in the opening in the top cross-beam B.

H and H represent saw adjusting devices, which are secured to the flanges formed with the inner top portions of the side frames B B. The adjusting device H consists of a casting 58', having an opening 59 therein, in which a box 60 is mounted, which has a feather Gl engaging with a groove 62 in one side of the opening 59. The box 60 is open at the top and closed at the bottom thereof, with an aperture in the said bottom, through which an adjusting-screw's passes, and into the lower'portion 63 of an angular arm 63, fitted in said box, the upper angularly-projecting portion 64 of which has an aperture formed in its outer end, through which a billet 65 of wood is driven, so that it will slightly depend from The said casting through which a set-screw 67 passes from the under side, and 1s formedwith a hollow end,

in which a small billet of wood 68 is driven, and 1s mounted in alignment with the wooden depending billet 65.

The device H consists, essentially, of a casting 66', which is longitudinally adjustable in connection with the side frame-B, to which it is attached, and isprovided with an elongated arm 7 0, having a depending slotted projection 71 at one-end and a hollow apertured slightly- G" by set-screws 8 passing through the said IIO depending projection 7 2 at the opposite end. A lever 73 is fulcrumed in the projection 7 2, and the end 75 thereof adjacent to its fulcrumed point is slightly reduced and rounded, and. is adapted to engage with a slot 75 in the edge of a vertically-sliding block 74, moving in the aperture formed in the end of the projection 7 2. The top of the block 74 is formed with a flanged projection 7 5 adapted to form an extended surface at this point. The opposite end of the lever 73 passes through the slot in the projection 71 and is formed with a handle 76 for operating the same, an adjusting-screw s passing up through the bottom of the projection 71 and adapted to limit the movement of the lever7 3. The objectof this device is to temporarily raise the saw by means of the top extended surface of the vertically-slidin g block 7 4. engaging with the under side of said saw, and which is raised and lowered by the lever 7 3.

Back of the elongated extension, as just described, two cars or lugs 77 77 are integrally formed with the casting, in which a lever 7 8 is fulcrumed. The rear end of the lever 78 is adjustable by means of a screw s passing through a slot 79, formed in a lug 80, formed with the casting 66, and into the handle of the lever 78. The rear portion of the said lever is curved upwardly, with an aperture, through which a small wooden billet 81 is driven, depending from the lower side of the lever. Below the position of the lever and integrally formed with the lower end of the casting is a projection 82, which has an aperture therein, through which an adjusting screw 83, having a hollow end, passes from the under side of the said projection, the said hollow portion of the screw 83 having a wooden billet 84 driven therein, which projects up wardly in alignment with the wooden billet 81. This device has the same function in relation to the saw as the similar constructions of the device 11. On the elongated arm 70 three frictional rollers 85 are mounted in horizontal alignment and are adapted to aid in the easy movement of the wooden block passing thereover and against the same.

011 the rear portion of each of the guards D and D a spring-buffer is mounted, and consists, essentially, of an apertured block 86, having a short rod 87, encircled by a coiled spring 88, mounted therein, the said rods 87 having enlarged heads 89, against which the carriage is adapted to strike in its rearward movement and be thereby cushioned.

The entire machine is readily adjustable, is complete in mechanism for operating upon a shingle in any desired and well-known manner, is convenient and accessible, and, combining the various mechanisms as it does, is comparatively inexpensive in its manufacture.

Having thus described my invention, I claim 1. The combination of the base-strips A, having the grooves or channels a, the side frames B, having the flanges b and the racksurfaces 1), the saw, its shaft and belt-pulley supported by said frames (1, the shaft S, the cog-wheels s, the pinion s and the hand-lever s, substantially as described.

2. The combination of the side frames B, the uppercross-beam B gformed with inwardlyextending lugs 12 having set-screws mounted therein, the lower cross-beam 13, having the rectangular socket B, the frame 0, the rectangular saw-arbor hearing at the lower end of said frame fitted in said socket, the half-bearing 0 at the upper end of the frame, the cap 0", the vertical saw-arbor mounted in the rectangular bearing and between the cap 0 and half-bearing c and the set-screws bearing on the upper and lower ends of the frame to adjust the same, as set forth.

3. In combination with the side frames B, the hollow guards D and D, one of which forms a sawdust-spout, the horizontally-movable hinged arm D and the rear hinged guard D having the extended spout D formed therewith, substantially as described.

4. The combination, with the side frames B, having the guards D and D secured to the upper portion thereof, and rotatable saw, of the guideways or tracks E, the carriage F, and the spring-buffers mounted on the rear portion of the guards D and D, substantially as described.

5. The combination, with the upper longitudinal and parallel guideways or tracks E, having the outer horizontal grooved faces, of the carriage F, having the transverse bars F, formed with vertical slot f on their under side to receive the tracks E, and horizontal bars F connecting the ends of bars F and located adjacentto the grooved faces of the tracks, and having vertical and horizontal frictionrollers f f to bear against corresponding faces in the grooved sides of the guideways E, as described and shown, substantially as described.

0. The combination of the bars F, the forward one of which is provided with slots 16 in its lower edge, one of the rock-shafts 3 and its dog F, the handle 7, the bracket 10, provided with a slot, through which the end of the rock-shaft passes, and having a projection 12, the spring 13, the stud or pin 14:, and the lever 15, substantially as described.

7. The combination, with the bars F, the forward one of which is provided with slots in its under edge, and the slotted bracket 10, having a projection to engage said slots, of the dogs F in movable connection. with said bars, provided with slots, through which a shingle or strip of wood is inserted, the rock-shafts 3, connected to said dogs, one of said shafts extending through said slotted bracket, the handle 6 in connection with one rock-shaft, and the handle 7 in connection with the other, substantially as described.

8. The combination, with the rear bar F of the carriage F and the rock-shafts 3, of the bracket-boxes 18, the rockshaft 19, having on the rock-shafts 3, substantially as described.

9. The combination,with the guide-rails of the frame, of the carriage F, provided with bars F, movable on said rails, the dogs F movable transversely of the frame, trans-- versely-mounted frame F movable longitudinally thereof, and handles and connections for moving said dogs and'frame, the said dogs, their handles, and frame F being located within the limit of the rails and bars F, substantially as specified.

10. The combination, with the guide-rails of the frame, of the carriage F, provided with bars F, movable on said rails, the verticallyslot'ted dogs F movable transversely of the frame F vertically slotted and mounted longitudinally thereof, handles and connections for moving said dogs and frame F, and strips of wood in the slots of the dogs and frame F, the said dogs and frame B and their handles and .connections being located within the limit of the rails and bars F,- substantially as specified.

11. The combination, with the cross-beams, of the hollow upright G, seated in said beams, as described, and having a vertical transverse and oscillating adjustment therein, and a tilting table G, mounted on the upper end of the upright, substantiallyIas described.

12. The combination, with the cross-beams B, having the central square opening 17 and lugs 12 on each side of said opening, having adjusting set-screws 89 therein, and the beam B constructed -hollow, as set forth, of the upright G, constructed cylindrical at its upper portion and substantially rectangular at its lower portion and hollow throughout its length, the grooved boxes 28, the yoke G and the tilting table G, substantially as described.

13. In combination with the upper part of the upright G of the yoke G the yoke G having the extension 9., the table G, constructed as set forth, mounted in connection with the yoke G the rod 46, having a collar 47 and coiled spring 48, the block 49, carrying a frictional roller 50 in its lower end, the tilting table 52, the draw-rod 53, the connecting-link 54, the vertical rod 55, having an operating-handle 58, and .the set-screwss substantially as described.

14:. The combination, with beams B and B of the upright G, having the lower projecting ends 31, the lever G the lifting-rod G the slotted hand-lever 33, having a crank 9 and the lon gitudinall y-ad j ustable arms g g, mounted on the ends of said plate 9, as set forth.

16. The combination, with one of the side frames B, of the saw guiding and holding device H, consisting essentially, of thecasting 58, having an opening 59, provided'with I a groove 62, the vertically adjustable box 60, having a feather 61, the angular arm 63, carrying a depending billet 65 in its angularly-projecting portion 64, the projection 66, the hollow-ended set-screw 67, carrying a billet 68, and the agilj'usting-screw s", substantially as described.

17. The combination, with one of the side frames B, of the casting 66, having theelongated arm 7 0, provided with a depending slotted projection 71 at its one end and a slightly-depending hollow projection 72 at its opposite end, a lever 73, fulcrumed in the projection '72 and passing through the slot in the projection? 1 and having its forward end reduced and rounded, and the vertically-sliding block '74, having a recess 75, with which the reduced end of the lever 73 engages, and an upper flanged extended surface adapted to bear against the under side of thesaw, substantially as described.

- 18. The combination, with one of the side frames B, of the casting 66, adjustably mounted in connection therewith, having lugs 77 and 80 integrally formed therewith, the lever 7 8, provided with an upwardlycurved apertured end and fulcrumed in the lugs 77, and adjustably secured to the lug 80 by a set-screw s passing through a slot in said latter lug and into the lever, the depending wooden billet 81, carried in the aperture in the end of the lever 78, the projection 82,

the adj listing-screw 83, and the wooden billet 84-, substantially as described.

19. The combination, with the frame having the side rails, saw-arbor, and saw, ofthe caststrips A of the base-frame, the side frames B, carrying the entire operating mechanism of the shingle-sawing machine, including the saw, its arbor, and belt-pulley, the said frames B being movable in grooves. or ways of the frame A, and mechanism, substantially as described, to actuate the'frames B, as set forth. a

22. In combination with the hollow guards D D, provided on the side frames of the shingle-sawing machine, one side of guard D being open, the horizontally-movable hinged arm D for closing the open side of said guard, as set forth.

23. In combination with the side frames B, having the guideways or tracks E, the carriage F, running in the gnideways or tracks, and the elastic buffers mounted at one end of the tracks to receive the impact of the carriage, as set forth.

El. In combination with the movable sawcarriage, the movable dogs located within the carriage frame and movable transversely, handles and their connections for moving said dogs, a longitudinally-movable frame F located between the dogs, and connections for moving said frame, said frame-handles and connections being located within the dimensions of the supportingframe, substantially as described.

25. The combinatiomwith the frame, of the longitudinally movable carriage mounted thereon, the frame F", supported by said carriage and arranged transversely to the same, and the lever fnlcrumed on the carriage and connected to the frame D to move the same longitudinally independent of the carriage, as set forth.

2G. The combination of the standard, the yoke G pivoted to the upper end of the same and having a lateral extension 9, the table pivoted to the said yoke, and the set-screw inserted vertically through the table and engaging the end of the said extension g, as set forth.

27. The combination, with the upper and lower end bars B B of the frame, of the vertical hollow standard G, seated in both bars, a tilting table G, mounted upon the same, and adjusting appliances, substantially such as parts 46 49 52 53 G and operatingconnections located in and adjacent to said standard to elevate, tilt, and transversely move the table, substantially as specified.

28. In combination with the hollow upright G, the table G at the top of the upright, the tilting devices for the table located within the upright, the adjustable means for the tilting devices,and the elevating mechanism for the upright G, as set forth.

29. I11 combination with the hollow upright G, the table G, the yoke G the rod 46, connected to the yoke and located within. the upright, the spring arranged on the rod, the roller connected to the lower end of the rod, the oscillating mechanism to act against the roller, and the operating-levers for raising the upright, as set forth.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in presence of two witnesses.

JOHN B. PUTROW. \Vitnesses:

F. \V. FITZE, JOHN A. BAIRD. 

